Some studies show how hypoalbuminemia is associated with malnourishment5,12-14 and that hospitalization is harmful for it, leading us to the opinion that thelonger the hospitalization, larger will be the trend to a higher degree of malnutrition.This situation, ends up launching the serum albumin depletion, as shown in this study,where we can observe that the difference between results were significantly alteredbetween admission and six days after. This evidence concerns the gene ALB and nutritional deficiency disease.